CN113776414A - Inclination measuring device for valve tower insulator correction and correction method - Google Patents

Inclination measuring device for valve tower insulator correction and correction method Download PDF

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Publication number
CN113776414A
CN113776414A CN202110921797.9A CN202110921797A CN113776414A CN 113776414 A CN113776414 A CN 113776414A CN 202110921797 A CN202110921797 A CN 202110921797A CN 113776414 A CN113776414 A CN 113776414A
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CN
China
Prior art keywords
inclination
insulator
inclination measuring
dial
valve tower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110921797.9A
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Chinese (zh)
Inventor
张晓鸽
姚志国
肖晋
孙占华
陈本乾
王凯
李飞
张宾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuji Group Co Ltd
XJ Electric Co Ltd
Original Assignee
Xuji Group Co Ltd
XJ Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuji Group Co Ltd, XJ Electric Co Ltd filed Critical Xuji Group Co Ltd
Priority to CN202110921797.9A priority Critical patent/CN113776414A/en
Publication of CN113776414A publication Critical patent/CN113776414A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/245Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18Measuring inclination, e.g. by clinometers, by levels by using liquids
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The inclination measuring device comprises an inclination measuring meter and a base, wherein an annular horizontal ruler is arranged at the upper part of the base, the lower part of the base is used for being fixed with a valve tower insulator, the inclination measuring meter and the annular horizontal ruler can rotate 360 degrees in the horizontal direction, and the relative position of the inclination measuring meter and the annular horizontal ruler in the height direction is fixed. The device not only can once only find out the biggest inclination position, can also read out insulator inclination fast and accurately to calculate adjustment gasket thickness according to inclination, once only accomplish the measurement and the correction of insulator gradient accurately, avoided traditional correction mode need try repeatedly, adjust many times and the drawback that the precision is low.

Description

Inclination measuring device for valve tower insulator correction and correction method
Technical Field
The invention relates to the technical field of converter valve tower insulator verticality correction, in particular to a gradient measuring device and a correction method for correcting a valve tower insulator.
Background
In order to ensure the installation accuracy of the support type valve tower, the support type valve tower insulator has higher requirements on the perpendicularity, so that the perpendicularity correction needs to be carried out on the valve tower insulator.
The traditional perpendicularity correction work of the supporting type valve tower insulator is mainly carried out in a mode that a horizontal ruler is placed on a flange plate at the top of the insulator, the method needs to repeatedly adjust the placement angle of the horizontal ruler, the insulator is repeatedly adjusted according to the display condition of the horizontal ruler, the adjusted position and height all depend on personal experience, no clear quantity value exists, and the defects of low efficiency, poor precision, time and labor waste and the like exist.
Disclosure of Invention
Objects of the invention
The invention aims to provide a gradient measuring device and a gradient correcting method for correcting a valve tower insulator, which can not only find out the maximum gradient position at one time, but also quickly and accurately read out the gradient angle of the insulator, thereby calculating the thickness of an adjusting gasket according to the gradient angle, accurately finishing the measurement and correction of the gradient of the insulator at one time, and avoiding the defects that the traditional correcting mode needs to be repeatedly tried and adjusted for many times and has low precision.
(II) technical scheme
In order to solve the above problems, a first aspect of the present invention provides an inclination measuring device for correcting a valve tower insulator, including an inclination measuring meter and a base, where an annular level is disposed at an upper portion of the base, a lower portion of the base is used for fixing to the valve tower insulator, the inclination measuring meter and the annular level are capable of rotating 360 ° relative to each other in a horizontal direction, and a relative position of the inclination measuring meter and the annular level in a height direction is fixed.
Specifically, the lower portion of the base is a fixing seat, the upper portion of the fixing seat is a tray, a supporting rod is arranged between the fixing seat and the tray, the fixing seat is used for being fixed with a valve tower insulator, the annular level bar and the tray are coaxial and fixed on the tray, and the inclination measuring meter is rotatably connected to the center of the tray.
Specifically, the inclination measuring meter comprises a fixed shaft, a dial plate and a gravity ball pointer, the dial plate is rotatably connected to the upper portion of the base through the fixed shaft, an angle is carved on the dial plate, and the gravity ball pointer is suspended at the center of the dial plate through a universal connecting piece to indicate the position of the dial plate through gravity rotation.
Specifically, universal joint spare includes bulb and the couple that is located the bulb bottom, dial plate central point puts and is equipped with the lug, be equipped with the bulb hole on the lug, the bulb is located the bulb is downthehole and can rotate to arbitrary direction at the bulb downthehole, gravity ball pointer hook is in on the couple.
Furthermore, the inclination measuring device also comprises an inclination pointer, the inclination pointer is fixedly connected with the lower part of the inclination measuring meter and rotates along with the inclination measuring meter, and the inclination pointer is radially arranged along the annular level.
Furthermore, a dial is further arranged on the tray, the dial is arranged along the inner ring of the annular horizontal ruler, and the inclination angle pointer indicates the scale of the dial.
Specifically, the fixing seat is made of a magnetic material.
In a second aspect of the present application, a method for correcting a valve tower insulator is provided, including:
fixing any one of the inclination measuring devices on a flange plate of an insulator of a valve tower;
rotating the inclination measuring meter according to the position of the vacuole of the annular level ruler;
after the insulator is rotated in place, determining the inclination according to an inclination measuring meter, and determining the thickness of a wedge-shaped gasket required by the correction insulator according to the inclination;
and finishing the correction of the valve tower insulator by adopting the determined wedge-shaped gasket in the opposite direction of the vacuole of the annular horizontal ruler.
Wherein, confirm the thickness of the wedge gasket that the correction insulator needs to use according to the gradient, specifically include:
determining the maximum thickness of the wedge spacer required for straightening the insulator according to the following formula I:
H=D*sina Ⅰ
h is the maximum thickness of the wedge-shaped gasket, D is the diameter of the flange plate of the valve tower insulator, and a is inclination.
Wherein, base upper portion is the tray, be equipped with the calibrated scale on the tray, the graduated scale is followed annular horizon rule inner circle sets up, fixes inclination measuring device on valve tower insulator ring flange, specifically includes:
and fixing the inclination measuring device on the flange plate of the insulator of the valve tower, so that the scales on the dial plate are matched with the reinforcing ribs on the flange plate of the insulator. Furthermore, after the inclination measuring meter rotates in place, the position of the reinforcing rib on the flange plate is determined according to the scale of the dial, and then the inclination at the position is determined according to the inclination measuring meter.
(III) advantageous effects
The technical scheme of the invention has the following beneficial technical effects:
the invention provides a valve tower insulator inclination measuring device and a correction method, wherein the maximum inclination position of a valve tower insulator can be found out at one time through an annular horizontal ruler, the inclination angle of the insulator at the position can be rapidly and accurately read out by rotating an inclination measuring meter to the bubble position of the annular horizontal ruler, so that the thickness of an adjusting gasket is calculated according to the inclination angle, the device can accurately finish the measurement and correction of the inclination of the insulator at one time, and the defects that the traditional correction mode needs repeated trial and multiple adjustments and is low in precision are overcome.
Drawings
Fig. 1 is a schematic structural diagram of a valve tower insulator inclination measuring device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a base structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a slope measuring gauge provided in an embodiment of the present invention;
FIG. 4 is a schematic view of a ball gimbal provided in an embodiment of the present invention;
fig. 5 is an application schematic diagram of a valve tower insulator inclination measuring device according to an embodiment of the present invention;
wherein:
1. inclination angle pointer, 2, inclination angle scale, 3, base, 10, inclination measuring device, 20, insulator flange, 21, universal connection ball, 22, gravity ball pointer, 31, dial, 32, annular level bar, 33, fixing base, 34, tray, 35 and support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 and 2, the invention provides a gradient measuring device for correcting a valve tower insulator, which comprises a gradient measuring meter 2 and a base 3, wherein an annular horizontal ruler 32 is arranged at the upper part of the base 3, the lower part of the base 3 is used for fixing with the valve tower insulator, the gradient measuring meter 2 and the annular horizontal ruler 32 can rotate 360 degrees relatively in the horizontal direction, and the relative position of the gradient measuring meter 2 and the annular horizontal ruler 32 in the height direction is fixed.
Specifically, in the embodiment of the present invention, the inclination angle measuring meter is a meter capable of measuring an inclination with a horizontal plane, and the specific structure of the present invention is not limited; the annular horizontal ruler is a horizontal ruler which surrounds a circle, and the maximum inclined position can be determined according to the position of a vacuole in the horizontal ruler; the lower part of the base can be fixed with the valve tower insulator through adsorption fixing, screw fastening, buckle type installation and other modes, various fixing and installation modes can be compatible, the invention is not limited, and the flexible selection can be specifically carried out according to application requirements such as the material of a flange at the top of the insulator.
The invention provides a valve tower insulator gradient measuring device, which is fixed on a flange plate of a valve tower insulator through the lower part of a base during measurement, can find out the maximum gradient position of the valve tower insulator at one time through an annular horizontal ruler, and can quickly and accurately read out the insulator gradient angle at the position by rotating a gradient measuring meter to the bubble position of the annular horizontal ruler, thereby calculating the thickness of an adjusting gasket according to the gradient angle.
Specifically, the lower portion of the base 3 is a fixed seat 33, the upper portion of the fixed seat is a tray 34, a supporting rod 35 is arranged between the fixed seat 33 and the tray 34, the fixed seat 33 is used for being fixed with a valve tower insulator, the annular horizontal ruler 32 is coaxial with the tray 34 and is fixed on the tray 34, and the inclination measuring meter 2 is rotatably connected to the center of the tray 34.
The base of the structure can meet the requirement of measuring the inclination angle of each direction in the horizontal plane, and is convenient to carry and install.
Specifically, the inclination measuring meter 2 as shown in fig. 1 and 3 includes a fixed shaft, a dial rotatably connected to the upper portion of the base by the fixed shaft, the dial being engraved with an angle, and a gravity ball pointer 22 suspended at a central position of the dial by a universal connecting ball 21 to indicate a dial position by gravity rotation.
Because the gravity ball pointer is hung in the center of the dial plate and can rotate universally, when the plane inclines, the gravity ball pointer rotates under the action of gravity, and the inclination angle of the insulator can be determined through the scale marks of the dial plate pointed by the gravity ball pointer.
Specifically, in an alternative embodiment, as shown in fig. 2 and 3, the universal connecting ball 21 includes a ball head and a hook located at the bottom of the ball head, a projection is located at the center of the dial plate, a ball head hole is formed on the projection, the ball head is located in the ball head hole and can rotate in any direction in the ball head hole, and the gravity ball pointer 22 is fixed on the hook. The universal connecting ball with the structure is simple in structure and high in accuracy. In other embodiments, the gravity ball pointer 22 can be suspended from the center of the dial plate through a universal connection with other structures.
Further, as shown in fig. 1, the inclination measuring device further includes an inclination pointer 1, the inclination pointer 1 is fixedly connected to a lower portion of the inclination measuring meter and rotates with the inclination measuring meter, and the inclination pointer 1 is radially disposed along the annular leveling rod 32. By arranging the pointer, the position and the opposite position of the vacuole can be determined by pointing one end of the pointer to the middle position of the vacuole, and the correction precision is further improved.
Furthermore, a dial 31 is further arranged on the tray 34, the dial 31 is arranged along the inner ring of the annular horizontal ruler 32, and the inclination angle pointer 1 indicates the dial scale. Preferably, the scale scales of the dial are matched with the flange reinforcing ribs of the valve tower insulator, namely one reinforcing rib corresponds to at least one scale. In an optional embodiment, the dial is provided with one long scale every preset angle, a plurality of short scales are arranged between every two adjacent long scales, each short scale is divided into an included angle between the two long scales, and one long scale corresponds to one flange reinforcing rib. When the base 3 is installed, the scales of the dial 31 are matched with the reinforcing ribs of the flanges at the top of the insulator, so that position reference is provided for subsequent insulator correction. The matching means that the scales of the dial are in one-to-one correspondence with the reinforcing ribs or the preset scales on the dial are in one-to-one correspondence with the reinforcing ribs.
Specifically, the fixing seat 33 is made of a magnetic material, so as to facilitate installation and detachment of the device.
The invention also provides a valve tower insulator correction method, which comprises the following steps:
as shown in fig. 5, the inclination measuring device 10 according to the above embodiment is fixed to a valve tower insulator flange 20;
the inclination measuring meter 2 is rotated according to the vacuole position of the annular leveling rod 32;
after the insulator is rotated in place, determining the inclination according to the inclination measuring meter 2, and determining the thickness of a wedge-shaped gasket required by the correction insulator according to the inclination;
and finishing the correction of the valve tower insulator by adopting the determined wedge-shaped gasket in the opposite direction of the vacuole of the annular horizontal ruler.
The invention provides a valve tower insulator correction method, which can find out the maximum inclined position of a valve tower insulator at one time through an annular level ruler, can quickly and accurately read the inclined angle of the insulator at the position through rotating an inclination measuring meter to the position of a liquid bubble of the annular level ruler, and further can calculate the thickness of an adjusting gasket according to the inclined angle.
Wherein, confirm the thickness of the wedge gasket that the correction insulator needs to use according to the gradient, specifically include:
determining the maximum thickness of the wedge spacer required for straightening the insulator according to the following formula I:
H=D*sina Ⅰ
h is the maximum thickness of the wedge-shaped gasket, D is the diameter of the flange plate of the valve tower insulator, and a is inclination.
Specifically, the maximum thickness of the wedge-shaped gasket in the invention refers to the thickness of the outermost side of the wedge-shaped gasket, and the length of the wedge-shaped gasket can be determined according to the diameter of the insulator flange.
Wherein, base upper portion is the tray, be equipped with the calibrated scale on the tray, the graduated scale is followed annular horizon rule inner circle sets up, fixes inclination measuring device on valve tower insulator ring flange, specifically includes:
and fixing the inclination measuring device on the flange plate of the insulator of the valve tower, so that the scales on the dial plate are matched with the reinforcing ribs on the flange plate of the insulator. Furthermore, after the inclination measuring meter rotates in place, the position of the reinforcing rib on the flange plate is determined according to the scale of the dial, and then the inclination at the position is determined according to the inclination measuring meter. For example, when the pointer indicates that the center of the vacuole is positioned between two scales of the dial, the positions of two reinforcing ribs are determined according to the two scales, and the position between the two reinforcing ribs is the maximum inclined position; when the center of the vacuole is positioned on the scale a of the dial, the reinforcing rib corresponding to the scale a is the maximum inclined position.
The method corresponds to the apparatus, and for the specific description and effects of the apparatus, reference is made to the embodiment of the apparatus, which is not described herein again.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. The inclination measuring device for correcting the valve tower insulator is characterized by comprising an inclination measuring meter and a base, wherein an annular horizontal ruler is arranged at the upper part of the base, the lower part of the base is used for being fixed with the valve tower insulator, the inclination measuring meter and the annular horizontal ruler can rotate 360 degrees relative to each other in the horizontal direction, and the relative positions of the inclination measuring meter and the annular horizontal ruler in the height direction are fixed.
2. The inclination measuring device according to claim 1, wherein the lower portion of the base is a fixed seat, the upper portion of the fixed seat is a tray, a support rod is arranged between the fixed seat and the tray, the fixed seat is used for being fixed with a valve tower insulator, the annular level is coaxial with the tray and is fixed on the tray, and the inclination measuring meter is rotatably connected to the center of the tray.
3. Inclination measuring device according to claim 1 or 2, characterised in that said inclination measuring gauge comprises a fixed shaft, a dial rotatably connected to said base upper part by means of said fixed shaft, said dial being engraved with an angle, and a gravity ball pointer suspended by means of a universal connection at a central position of said dial to indicate the dial position by means of gravity rotation.
4. The inclination measuring device according to claim 3, wherein said universal joint comprises a ball and a hook at the bottom of the ball, a protrusion is provided at the center of said dial, a ball hole is provided on said protrusion, said ball is located in said ball hole and can rotate in any direction in said ball hole, and said gravity ball pointer is hooked on said hook.
5. The inclination measuring device according to claim 2, further comprising an inclination pointer fixedly connected to a lower portion of said inclinometer and rotatable therewith, said inclination pointer being radially disposed along said annular level.
6. The inclination measuring device according to claim 5, wherein said tray is further provided with a dial disposed along an inner circumference of said annular level, said inclination pointer indicating said dial scale.
7. Inclination measuring device according to claim 2, wherein said holder is of magnetic material.
8. A method for correcting a valve tower insulator is characterized by comprising the following steps:
fixing the inclination measuring device according to any one of claims 1 to 7 on a flange of an insulator of a valve tower;
rotating the inclination measuring meter according to the position of the vacuole of the annular level ruler;
after the insulator is rotated in place, determining the inclination according to an inclination measuring meter, and determining the thickness of a wedge-shaped gasket required by the correction insulator according to the inclination;
and finishing the correction of the valve tower insulator by adopting the determined wedge-shaped gasket in the opposite direction of the vacuole of the annular horizontal ruler.
9. The method for straightening according to claim 8, wherein the thickness of the wedge-shaped spacer required for straightening the insulator is determined according to the inclination, and specifically comprises:
determining the maximum thickness of the wedge spacer required for straightening the insulator according to the following formula I:
H=D*sinaⅠ
h is the maximum thickness of the wedge-shaped gasket, D is the diameter of the flange plate of the valve tower insulator, and a is inclination.
10. The straightening method according to claim 8, wherein a tray is arranged on the upper portion of the base, a dial is arranged on the tray, the dial is arranged along the inner ring of the annular horizontal ruler, and the inclination measuring device is fixed on a flange plate of a valve tower insulator, and the straightening method specifically comprises the following steps:
and fixing the inclination measuring device on the flange plate of the insulator of the valve tower, so that the scales on the dial plate are matched with the reinforcing ribs on the flange plate of the insulator.
CN202110921797.9A 2021-08-12 2021-08-12 Inclination measuring device for valve tower insulator correction and correction method Pending CN113776414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110921797.9A CN113776414A (en) 2021-08-12 2021-08-12 Inclination measuring device for valve tower insulator correction and correction method

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Application Number Priority Date Filing Date Title
CN202110921797.9A CN113776414A (en) 2021-08-12 2021-08-12 Inclination measuring device for valve tower insulator correction and correction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115164836A (en) * 2022-05-12 2022-10-11 中核核电运行管理有限公司 Device and method for measuring single-direction verticality of fixing sleeve of nuclear fuel unloading machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010060490A (en) * 1999-12-27 2001-07-07 정규형 A water level
KR20080004099U (en) * 2007-03-21 2008-09-25 삼성중공업 주식회사 A level
CN201155971Y (en) * 2007-12-10 2008-11-26 广西玉柴机器股份有限公司 Horizontal obliquity measuring apparatus
CN103196352A (en) * 2013-04-16 2013-07-10 山东科技大学 Plane angle measuring instrument
CN103743386A (en) * 2013-12-27 2014-04-23 苏州市启扬商贸有限公司 Annular horizontal rule
CN209373023U (en) * 2019-01-10 2019-09-10 日本电产理德机器装置(浙江)有限公司 Base board checking device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010060490A (en) * 1999-12-27 2001-07-07 정규형 A water level
KR20080004099U (en) * 2007-03-21 2008-09-25 삼성중공업 주식회사 A level
CN201155971Y (en) * 2007-12-10 2008-11-26 广西玉柴机器股份有限公司 Horizontal obliquity measuring apparatus
CN103196352A (en) * 2013-04-16 2013-07-10 山东科技大学 Plane angle measuring instrument
CN103743386A (en) * 2013-12-27 2014-04-23 苏州市启扬商贸有限公司 Annular horizontal rule
CN209373023U (en) * 2019-01-10 2019-09-10 日本电产理德机器装置(浙江)有限公司 Base board checking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115164836A (en) * 2022-05-12 2022-10-11 中核核电运行管理有限公司 Device and method for measuring single-direction verticality of fixing sleeve of nuclear fuel unloading machine

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